package cn.edu.hbwe.book.servlet.manager;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.edu.hbwe.book.entity.Product;
import cn.edu.hbwe.book.exception.ListProductException;
import cn.edu.hbwe.book.service.ProductService;

/**
 * Servlet implementation class ListProductServlet
 */
public class ListProductServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ListProductServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=UTF-8");
        request.setCharacterEncoding("UTF-8"); 
		ProductService service = new ProductService();
		try {
			List<Product> ps = service.listAll();
			//把所有商品保存到对象
			request.setAttribute("ps",ps);
			//转发到list。jsp回显信息
			request.getRequestDispatcher("/admin/products/list.jsp").forward(request, response);
		} catch (ListProductException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	} 

}
